Source Code of ScottGu's "First Look at Silverlight 2"

Question

You can find it at http://mars1344.spaces.live.com/blog/cns!1D5B291C0E4686F6!934.entry
or

http://silverlight.cn/blogs/sixsix/archive/2008/03/08/scottgu-silverlight2.aspx

(not a official version but available indeed)